8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 8-K

Current Report

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):  April 20, 2012

Commission File Number	Exact Name of Registrant as Specified in its Charter, State of Incorporation, Address of Principal Executive Offices and Telephone Number	I.R.S. Employer Identification No.
001-32206	GREAT PLAINS ENERGY INCORPORATED	43-1916803
	(A Missouri Corporation)
	1200 Main Street
	Kansas City, Missouri  64105
	(816) 556-2200
	NOT APPLICABLE
	(Former name or former address, if changed since last report)
000-51873	KANSAS CITY POWER & LIGHT COMPANY	44-0308720
	(A Missouri Corporation)
	1200 Main Street
	Kansas City, Missouri  64105
	(816) 556-2200
	NOT APPLICABLE
	(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[  ]	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[  ]	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[  ]	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act
	(17 CFR 240.14d-2(b))
[  ]	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

This combined Current Report on Form 8-K is being filed by Great Plains Energy Incorporated (Great Plains Energy) and Kansas City Power & Light Company (KCP&L).  KCP&L is a wholly-owned subsidiary of Great Plains Energy and represents a significant portion of its assets, liabilities, revenues, expenses and operations.  Thus, all information contained in this report relates to, and is furnished or filed by, Great Plains Energy.  Information that is specifically identified in this report as relating solely to Great Plains Energy, such as its financial statements and all information relating to Great Plains Energy’s other operations, businesses and subsidiaries, including KCP&L Greater Missouri Operations Company (GMO), does not relate to, and is not furnished or filed by, KCP&L.  KCP&L makes no representation as to that information.  Neither Great Plains Energy nor GMO has any obligation in respect of KCP&L’s debt securities and holders of such securities should not consider Great Plains Energy’s or GMO’s financial resources or results of operations in making a decision with respect to KCP&L’s debt securities.  Similarly, KCP&L has no obligation in respect of securities of Great Plains Energy or GMO.

Item 7.01 Regulation FD Disclosure

Great Plains Energy and KCP&L are furnishing the Securities and Exchange Commission with a slide presentation issued on April 20, 2012. A copy of the slide presentation is attached as Exhibit 99.1 and is incorporated by reference herein.

The information under Item 7.01 and in Exhibit 99.1 hereto is being furnished and shall not be deemed filed for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended.  The information under Item 7.01 and Exhibit 99.1 hereto shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended, unless otherwise indicated in such registration statement or other document.

Item 8.01 Other Information

On April 20, 2012, KCP&L filed an application with the Kansas Corporation Commission (the “KCC”) to request a $63.6 million increase in its retail rates with a return on equity of 10.4% and a rate-making equity ratio of 51.8%.  The request includes recovery of costs related to: significant upgrades at its generating facilities, including environmental upgrades at the La Cygne station; investments in additional wind generation; and increased investments in electrical infrastructure.  KCP&L is also requesting that the KCC approve a change to depreciation rates to reflect the increase in plant in service as well a change to the current method of allocating costs between its Kansas and Missouri jurisdictions to better reflect KCP&L’s summer peaking business.   If approved, new rates are expected to be effective by January 2013.

Item 9.01	Financial Statements and Exhibits
(d) Exhibits
Exhibit No.	Description
99.1	Slide Presentation

Forward-looking statements

Statements made in this report that are not based on historical facts are forward-looking, may involve risks and uncertainties, and are intended to be as of the date when made. Forward-looking statements include, but are not limited to, the outcome of regulatory proceedings, cost estimates of capital projects and other matters affecting future operations.  In connection with the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, Great Plains Energy and KCP&L are providing a number of important factors that could cause actual results to differ materially from the provided forward-looking information.  These important factors include: future economic conditions in regional, national and international markets and their effects on sales, prices and costs, including but not limited to possible further deterioration in economic conditions and the timing and extent of any economic recovery; prices and availability of electricity in regional and national wholesale markets; market perception of the energy industry, Great Plains Energy and KCP&L; changes in business strategy, operations or development plans; effects of current or proposed state and federal legislative and regulatory actions or developments, including, but not limited to, deregulation, re-regulation and restructuring of the electric utility industry; decisions of regulators regarding rates  KCP&L and GMO can charge for electricity; adverse changes in applicable laws, regulations, rules, principles or practices governing tax, accounting and environmental matters including, but not limited to, air and water quality; financial market conditions and performance including, but not limited to, changes in interest rates and credit spreads and in availability and cost of capital and the effects on nuclear decommissioning trust and pension plan assets and costs; impairments of long-lived assets or goodwill; credit ratings; inflation rates; effectiveness of risk management policies and procedures and the ability of counterparties to satisfy their contractual commitments; impact of terrorist acts, including but not limited to cyber terrorism; ability to carry out marketing and sales plans; weather conditions including, but not limited to, weather-related damage and their effects on sales, prices and costs; cost, availability, quality and deliverability of fuel; the inherent uncertainties in estimating the effects of weather, economic conditions and other factors on customer consumption and financial results; ability to achieve generation goals and the occurrence and duration of planned and unplanned generation

outages; delays in the anticipated in-service dates and cost increases of generation, transmission, distribution or other projects; the inherent risks associated with the ownership and operation of a nuclear facility including, but not limited to, environmental, health, safety, regulatory and financial risks; workforce risks, including, but not limited to, increased costs of retirement, health care and other benefits; and other risks and uncertainties.

This list of factors is not all-inclusive because it is not possible to predict all factors. Other risk factors are detailed from time to time in Great Plains Energy’s and KCP&L’s quarterly reports on Form 10-Q and annual report on Form 10-K filed with the Securities and Exchange Commission.  Each forward-looking statement speaks only as of the date of the particular statement.  Great Plains Energy and KCP&L undertake no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on their behalf by the undersigned hereunto duly authorized.

GREAT PLAINS ENERGY INCORPORATED

/s/ Kevin E. Bryant

Kevin E. Bryant

Vice President-Investor Relations and Treasurer

KANSAS CITY POWER & LIGHT COMPANY

/s/ Kevin E. Bryant

Kevin E. Bryant

Vice President-Investor Relations and Treasurer

Date: April 20, 2012

Exhibit Index
Exhibit No.	Description
99.1	Slide Presentation

EX-99.1

Investor Presentation

Great Plains Energy

2012 Kansas Rate Case Filing

Investor Presentation

April 20, 2012

Exhibit 99.1

Exhibit 99.1

Investor Presentation

Statements made in this presentation that are not based on historical facts are forward-looking, may involve risks and
uncertainties, and are intended to be as of the date when made. Forward-looking statements include, but are not limited to,
the outcome of regulatory proceedings, cost estimates of capital projects and other matters affecting future operations. In
connection with the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, Great Plains Energy and
KCP&L are providing a number of important factors that could cause actual results to differ materially from the provided
forward-looking information. These important factors include: future economic conditions in regional, national and
international markets and their effects on sales, prices and costs, including but not limited to possible further deterioration in
economic conditions and the timing and extent of economic recovery, prices and availability, of electricity in regional and
national wholesale markets; market perception of the energy industry, Great Plains Energy and KCP&L; changes in business
strategy, operations or development plans; effects of current or proposed state and federal legislative and regulatory actions
or developments, including, but not limited to, deregulation, re-regulation and restructuring of the electric utility industry;
decisions of regulators regarding rates the companies can charge for electricity; adverse changes in applicable laws,
regulations, rules, principles or practices governing tax, accounting and environmental matters including, but not limited to,
air and water quality; financial market conditions and performance including, but not limited to, changes in interest rates and
credit spreads and in availability and cost of capital and the effects on nuclear decommissioning trust and pension plan assets
and costs; impairments of long-lived assets or goodwill; credit ratings; inflation rates; effectiveness of risk management
policies and procedures and the ability of counterparties to satisfy their contractual commitments; impact of terrorist acts,
including but not limited to cyber terrorism; ability to carry out marketing and sales plans; weather conditions including, but
not limited to, weather-related damage and their effects on sales, prices and costs; cost, availability, quality and deliverability
of fuel; the inherent uncertainties in estimating the effects of weather, economic conditions and other factors on customer
consumption and financial results; ability to achieve generation goals and the occurrence and duration of planned and
unplanned generation outages; delays in the anticipated in-service dates and cost increases of additional generation,
transmission, distribution or other projects; the inherent risks associated with the ownership and operation of a nuclear facility
including, but not limited to, environmental, health, safety, regulatory and financial risks; workforce risks, including, but not
limited to, increased costs of retirement, health care and other benefits; and other risks and uncertainties.

This list of factors is not all-inclusive because it is not possible to predict all factors. Other risk factors are detailed from time
to time in Great Plains Energy’s and KCP&L’s quarterly reports on Form 10-Q and annual report on Form 10-K filed with the
Securities and Exchange Commission.Each forward-looking statement speaks only as of the date of the particular statement.
Great Plains Energy and KCP&L undertake no obligation to publicly update or revise any forward-looking statement, whether
as a result of new information, future events or otherwise.

Forward-Looking Statement

2

Investor Presentation

Jurisdiction	Date Filed	Requested Increase (in Millions)	Requested Increase (Percent)	Rate Base (in Millions)	Requested ROE	Rate- making Equity Ratio	Anticipated Effective Date of New Rates
KCP&L - KS	4/20/2012	$63.6	12.9%	$1,820.8	10.40%	51.8%	1/1/2013

Total
Increase
$63.6 M

3

2012 Kansas Rate Case Summary

Investor Presentation

4

•Based on test year ending December 31, 2011

−Known and measurable changes projected through June 30, 2012

•Rate base increase includes

−La Cygne environmental CWIP - $66 million

−48 MW Spearville 2 Wind Facility - $51 million

−Additional infrastructure investments

−Additions to rate base largely offset by increase in accumulated
deferred income tax primarily as a result of bonus depreciation

•Requested authorization to file abbreviated rate case for additional

La Cygne environmental CWIP following the conclusion of this rate case

•Requested change to jurisdictional-allocation method of capital investment
in facilities

•Requested change to depreciation rates to more accurately assign costs to
the customers who benefit from the use of those assets

2012 Kansas Rate Case